spruce budworm
常見(jiàn)例句
- In maine daniel jennings of the u. s. forest service has enlisted spiders in the war against the spruce budworm the northeast's most devastating enemy of spruce and fir forests.
在緬因州,美國(guó)林業(yè)侷的丹尼爾-詹甯斯征募蜘蛛來(lái)與雲(yún)杉芽卷蛾——東北部雲(yún)杉和冷杉林最兇惡的敵人——作戰(zhàn)。 - In the forests of New Brunswick, for example, various pesticides have been sprayed in the past 25 years in efforts to control the spruce budworm , an economically significant pest.
例如,在NB的森林裡,過(guò)去的25年裡,多種殺蟲(chóng)劑被噴灑以控制雲(yún)杉蚜蟲(chóng),一種經(jīng)濟(jì)上嚴(yán)重的病害蟲(chóng)。 - The moths also look the same at first glance, and Miller says this drawer holds nothing but a single species of spruce budworm, an infamous pest of eastern forests in North America.
第一眼瞥去,這些蛾也長(zhǎng)得完全一樣,Miller說(shuō)這個(gè)抽屜內(nèi)僅有一種雲(yún)杉蚜蟲(chóng)——北美洲東麪樹(shù)林內(nèi)一類(lèi)不知名的害蟲(chóng)。 返回 spruce budworm